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1、GSM系統(tǒng)消息類別與攜帶的信息system information type 1今主要包含隨機接入控制信息(RACH),小區(qū)頻點分配表CA,在BCCH信道發(fā)送。主要消息內(nèi)容如下:Cell channel description1,3,5,7,9RACH control parametersmax Retransmission: (2)maximum 4 retransmissionsTX-integer: (14)32 slots usedcell bar access: (0)not barredcall reestablishment: (1)not allowedaccess contr
2、olemergency call allowed: (0)all MSsbarred classes: 空reset octetsband indication 1800 system information type 2今主要包含了隨機接入控制信息(RACH),網(wǎng)絡(luò)色碼允許,鄰近小 區(qū)列表(BA1); (neighbour cell description, NCC premitted, RACH control parameters)0 主要消息內(nèi)容如下:neighbour cell descriptionext ind:the information element carries th
3、e complete BAchannels: 1,3,5,7,9,11,17NCC permittedNCC permitted values : 0 1 2 3 4 5 6 7RACH control parametersmax Retransmission: (2) maximum 4 retransmissionsTX-integer: (14) 32 slots usedcell bar access:(0)not barredcall reestablishment:(1)not allowedaccess controlemergency call allowed: (0) all
4、 MSsbarred classes: 空system information type 2bis今主要包含了隨機接入控制信息(RACH)和鄰近小區(qū)的擴展頻 點分配表(也是BA1的一部分),因為system information type 2攜帶的頻點分配表的頻點個 數(shù)是有限的,因而,2bis攜帶了 BA1中其他的與system information type 2同頻段的頻點信 息0system information type 2ter今主要描述了鄰近小區(qū)的擴展頻點分配表(BA1表的一部分), 只有雙頻手機會讀取改小區(qū),單頻900或1800的手機會忽略該消息,因該消息攜帶的頻點 信息是與
5、當(dāng)前小區(qū)的頻點處于不同頻段的頻點信息,這些信息對于單頻手機而言是不需要 的。主要消息內(nèi)容如下:neighbour cell description 2multiband reporting: the ms shall report the strongest cell (from other band)ba ind : 0channels: 525 527 529 system information type 3主要包含了位置區(qū)標(biāo)識,小區(qū)標(biāo)識,隨機接入控制信息(RACH), 小區(qū)選擇有關(guān)的參數(shù),是最重要的系統(tǒng)消息。主要消息內(nèi)容如下:cell identity(ci): 55055locati
6、on area identificationmobile country code (MCC) :460mobile network code (MNC) :00location area code (LAC) :29000Control Channel DescriptionMSCR:MSC is release 99 onwardsattach/deatachallowed(ATT): MSs in the cell shall apply IMSI attach and detach procedureBS-AG-BLKS-RES: 2CCCH-CONF: 1 basic physica
7、l channel used for CCCH, not combined with SDCCHsCBQ3: lu mode not supportedBS-PA-MFRMS: 2 multiframes periodT3212 time out value: 1 hour(10*6)Cell options(BCCH)Dynamic ARFCN mapping indicator (DN-ind) : Dynamic ARFCN mapping is not used by theplmnPower control indicator (PWRC): PWRCSetDTX indicator
8、: the MSs shall use uplink discontinuous transmissionRADIO-LINK-TIMEOUT:64Cell selection parametersCELL-RESELECT-HYSTERESIS: 8 dB Rxlev hysteresis for LA-reselectionMS-TXPWR-MAX-CCH:5ADDITIONAL RESELECT PARAM IND (ACS):systeminformation type 16 and 17 are not broadcast on the BCCHsHALF RATE SUPPORT
9、(NECI):New establishment causes are not supportedRXLEV-ACCESS-MIN: 10RACH control parametersmax Retransmission: (2)maximum 4 retransmissionsTX-integer:(14)32 slots usedcell bar access: (0)not barredcall reestablishment: (1)not allowedaccess controlemergency call allowed: (0) all MSs barred classes:
10、空Rest Octetsselection parametersCbq: 0Cell reselection offset:0 dbTemporary offset: 0 dbPenalty time: 20 sPower Offset: 2 dbSystem Information 2ter indicator-not availableEarly classmark sending control-explicity accepted BCCH scheduling is not sent in SI9GPRS indicatorRA color: 1SI13 position: SI13
11、 message is sent on BCCH NormThe sending of UTRAN and CDMA2000 classmark sending messenger is controlled by the early classmark sending system information type 4 主要包含了主要描述了位置區(qū)標(biāo)識、隨機接入控制信息(RACH)、 小區(qū)選擇參數(shù)以及可選的CBCH信道信息。它是必選的,在BCCH信道上發(fā)送,可選的IE CBCH 描述和MA在系統(tǒng)支持小區(qū)廣播時描述了 CBCH信道的配置和相應(yīng)的頻點信息。location area identif
12、icationmobile country code (MCC) :460 mobile network code (MNC) :00 location area code (LAC) :29000Cell selection parametersCELL-RESELECT-HYSTERESIS: 8 dB Rxlev hysteresis for LA-reselection MS-TXPWR-MAX-CCH:5ADDITIONAL RESELECT PARAM IND (ACS):systeminformation type 16 and 17 are not broadcast on t
13、he BCCHsHALF RATE SUPPORT (NECI):New establishment causes are not supported RXLEV-ACCESS-MIN: 10RACH control parametersmax Retransmission:(2)maximum 4 retransmissionsTX-integer:(14)32 slots used cell bar access:(0)not barred call reestablishment:(1)not allowed access controlemergency call allowed: (
14、0)all MSs barred classes: 空Rest octets selection parametersCbq: 0Cell reselection offset:0 dbTemporary offset: 0 dbPenalty time: 20 sPower Offset: 2 dbGPRS indicatorRA color: 1SI13 position: SI13 message is sent on BCCH NormAdditional parameters are not send in systeminformation type 7 and 8 system
15、information type 5主要包含了鄰近小區(qū)的頻點信息(即BA2表)。它是必選的,在SACCH信道上發(fā)送。 與系統(tǒng)消息2不同的是,手機可以在通話狀態(tài)下讀取系統(tǒng)消息5中描述的頻點,在測量報告中上報鄰近小區(qū) 的相關(guān)信息,作為切換的依據(jù)。同樣,對PHASE 1的900手機而言,它只認(rèn)識系統(tǒng)消息5描述的鄰近小區(qū)頻點 而忽略5BIS和5TER消息攜帶的鄰近小區(qū)頻點信息。neighbor cell descriptionext ind: the information element carries the complete BABA IND :0Channels:1 3 5 7 9system
16、 information type 5ter主要包含了TER主要描述了鄰近小區(qū)的頻點信息(也是BA2表的一部分)。它在SACCH信道上發(fā)送。同樣,只有雙頻手機才讀取該消息,單頻900或1800的忽略該信息。Neighbor Cell Desciption 2multiband reporting: the MS shall report the strongest cell (from other band), with knownba ind :0channels: 525 527 529system information type 6主要描述了位置區(qū)標(biāo)識、小區(qū)標(biāo)識、以及一些描述小區(qū)功能的
17、參數(shù)。它是必選 的,在SACCH信道上發(fā)送,也是系統(tǒng)信息中重要的消息之一。cell identity(ci):26666location area identificationmobile country code (MCC) :460mobile network code (MNC) :00location area code (LAC) :29000cell options(SACCH)Power control indicator (PWRC): (1)PWRCSetDTX indicator: the MSs shall use uplink discontinuous transmi
18、ssion on a TCH/FRADIO-LINK-TIMEOUT:64NCC permittedNCC permitted values : 0 1 2 3 4 5 6 7Rest octetsNo PCH/NCH infoNo VBS/VGCS optionsDTM not supportedBand indication 1800system information type 7今主要描述了小區(qū)重選參數(shù)This message is sent by the network on the BCCH giving information about cell reselection par
19、ameters that are to be used in that cell.Information elements:-SI 7 Rest Octetssystem information type 8今主要描述了小區(qū)重選參數(shù)This message is sent by the network on the BCCH giving information about cell reselection parameters to be used in that cell.Information elements:SI 8 Rest OctetsSystem information Typ
20、e 13 今主要描述了 GPR S 相關(guān)參數(shù)This message is sent on the BCCH if indicated in at least one of the SYSTEM INFORMATION TYPE 3, 4, 7 or 8 messages. The message is sent by the network to provide GPRS information in the cell.A mobile station not supporting GPRS shall treat this message as an unknown message typ
21、e. Information elements:-SI 13 Rest OctetsSystem Information Type 13Time: 09:42:50.89Frame number: 1679133ARFCN : 72 (E-GSM)L2 Pseudo Length : 0Skip indicator : 0Protocol discriminator : (6) Radio resources management messagesMessage type : 0Rest octetsBCCH CHANGE MARK : 1SI CHANGE FIELD : (0) Updat
22、e of unspecified SI message or SI messagesSI13 CHANGE MARK : 2GPRS mobile allocationHSN : 11MA length : 4MA bitmapBitmap :0 : 11 : 12 : 13 : 14 : 1PBCCH not present in cellRouting area code (RAC) : 0 (Hex 0 x00)SPGC CCCH SUP : (0) SPLIT PG CYCLE is not supported on CCCH in this cellPRIORITY ACCESS T
23、HR : (6) Packet access is allowed for priority level 1 to 4NETWORK CONTROL ORDER : (0) NC0: MS controlled cell re-selection, no measurement reportingGPRS cell optionsNMO : (1) Network mode of operation IIT3168 : (7) 4000 millisecondsT3192 : (0) 500 millisecondsDRX TIMER MAX : (0) Not supportedACCESS
24、 BURST TYPE : (1) 11 bit access burst shall be usedCONTROL ACK TYPE : (0) Default format is 4 access burstsBS CV MAX : 8PAN DEC : 1PAN INC : 2PAN MAX : Maximum value allowed for counter N3102 is 16Extension informationEGPRS support : (1) EGPRS supported in this cellEGPRS_PACKET_CHANNEL_REQUEST : (0)
25、 EGPRS Packet Channel Request shall be used on RACH/PRACH.BEP_PERIOD : 0PFC_FEATURE_MODE : (0) The network does not support packet flow context procedures.DTM_SUPPORT : (0) The cell does not support DTM procedures.BSS_PAGING_COORDINATION : (0) The cell does not support CS paging co-ordination.CCN_ACTIVE : (0) CCN is disabled in the cell.NW_EXT_UTBF : (0) Extended uplink TBF mode is not suppo
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